Prentiss Barnes (April 12, 1925 – October 1, 2006) was an American rhythm and blues singer in the 1950s. Barnes was born in Magnolia, Mississippi. He sang bass for the legendary vocal group The Moonglows which had such hits as "Sincerely" and "The Ten Commandments of Love". Mentored by Alan Freed, the group’s doo-wop harmony style achieved great success on the national R&B charts and recorded on Chess Records.